355225442 has 32 divisors (see below), whose sum is σ = 627540480. Its totient is φ = 148677120.

The previous prime is 355225439. The next prime is 355225447. The reversal of 355225442 is 244522553.

It is a super-2 number, since 2×355225442² = 252370229288190728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 355225399 and 355225408.

It is not an unprimeable number, because it can be changed into a prime (355225447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135698 + ... + 138290.

It is an arithmetic number, because the mean of its divisors is an integer number (19610640).

Almost surely, 2^355225442 is an apocalyptic number.

355225442 is a deficient number, since it is larger than the sum of its proper divisors (272315038).

355225442 is a wasteful number, since it uses less digits than its factorization.

355225442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098.

The product of its digits is 48000, while the sum is 32.

The square root of 355225442 is about 18847.4253414094. The cubic root of 355225442 is about 708.2197294842.

Adding to 355225442 its reverse (244522553), we get a palindrome (599747995).

The spelling of 355225442 in words is "three hundred fifty-five million, two hundred twenty-five thousand, four hundred forty-two".