1902225623 has 8 divisors (see below), whose sum is σ = 1991530800. Its totient is φ = 1814501248.

The previous prime is 1902225613. The next prime is 1902225629. The reversal of 1902225623 is 3265222091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1902225623 - 2¹⁶ = 1902160087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1902225623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1902225629) 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, 392738 + ... + 397551.

It is an arithmetic number, because the mean of its divisors is an integer number (248941350).

Almost surely, 2^1902225623 is an apocalyptic number.

1902225623 is a deficient number, since it is larger than the sum of its proper divisors (89305177).

1902225623 is an equidigital number, since it uses as much as digits as its factorization.

1902225623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790401.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1902225623 is about 43614.5116102428. The cubic root of 1902225623 is about 1239.0457501873.

The spelling of 1902225623 in words is "one billion, nine hundred two million, two hundred twenty-five thousand, six hundred twenty-three".