46421225 has 12 divisors (see below), whose sum is σ = 58967580. Its totient is φ = 36230400.

The previous prime is 46421197. The next prime is 46421227. The reversal of 46421225 is 52212464.

It can be written as a sum of positive squares in 6 ways, for example, as 2715904 + 43705321 = 1648^2 + 6611^2 .

It is a de Polignac number, because none of the positive numbers 2^k-46421225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46421194 and 46421203.

It is not an unprimeable number, because it can be changed into a prime (46421227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21620 + ... + 23669.

It is an arithmetic number, because the mean of its divisors is an integer number (4913965).

Almost surely, 2^46421225 is an apocalyptic number.

It is an amenable number.

46421225 is a deficient number, since it is larger than the sum of its proper divisors (12546355).

46421225 is a wasteful number, since it uses less digits than its factorization.

46421225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45340 (or 45335 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 46421225 is about 6813.3123368887. The cubic root of 46421225 is about 359.3951391360.

Adding to 46421225 its reverse (52212464), we get a palindrome (98633689).

The spelling of 46421225 in words is "forty-six million, four hundred twenty-one thousand, two hundred twenty-five".