234220025 has 12 divisors (see below), whose sum is σ = 312774252. Its totient is φ = 172962240.

The previous prime is 234220013. The next prime is 234220057. The reversal of 234220025 is 520022432.

It can be written as a sum of positive squares in 6 ways, for example, as 12418576 + 221801449 = 3524^2 + 14893^2 .

It is not a de Polignac number, because 234220025 - 2¹² = 234215929 is a prime.

It is a super-2 number, since 2×234220025² = 109718040222001250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234219979 and 234220006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360014 + ... + 360663.

It is an arithmetic number, because the mean of its divisors is an integer number (26064521).

Almost surely, 2^234220025 is an apocalyptic number.

234220025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

234220025 is a deficient number, since it is larger than the sum of its proper divisors (78554227).

234220025 is a wasteful number, since it uses less digits than its factorization.

234220025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720700 (or 720695 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 234220025 is about 15304.2485931195. The cubic root of 234220025 is about 616.4170948536.

Adding to 234220025 its reverse (520022432), we get a palindrome (754242457).

The spelling of 234220025 in words is "two hundred thirty-four million, two hundred twenty thousand, twenty-five".