3225145402 has 16 divisors (see below), whose sum is σ = 4909072680. Its totient is φ = 1588833792.

The previous prime is 3225145381. The next prime is 3225145409. The reversal of 3225145402 is 2045415223.

It can be written as a sum of positive squares in 4 ways, for example, as 2896484761 + 328660641 = 53819^2 + 18129^2 .

It is not an unprimeable number, because it can be changed into a prime (3225145409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136368 + ... + 158260.

Almost surely, 2^3225145402 is an apocalyptic number.

3225145402 is a deficient number, since it is larger than the sum of its proper divisors (1683927278).

3225145402 is a wasteful number, since it uses less digits than its factorization.

3225145402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22977.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 3225145402 is about 56790.3636368002. The cubic root of 3225145402 is about 1477.4623854114.

The spelling of 3225145402 in words is "three billion, two hundred twenty-five million, one hundred forty-five thousand, four hundred two".