1238422025 has 6 divisors (see below), whose sum is σ = 1535643342. Its totient is φ = 990737600.

The previous prime is 1238422021. The next prime is 1238422043. The reversal of 1238422025 is 5202248321.

It can be written as a sum of positive squares in 3 ways, for example, as 2758921 + 1235663104 = 1661^2 + 35152^2 .

It is not a de Polignac number, because 1238422025 - 2² = 1238422021 is a prime.

It is a super-2 number, since 2×1238422025² = 3067378224010201250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1238422021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24768416 + ... + 24768465.

It is an arithmetic number, because the mean of its divisors is an integer number (255940557).

Almost surely, 2^1238422025 is an apocalyptic number.

It is an amenable number.

1238422025 is a deficient number, since it is larger than the sum of its proper divisors (297221317).

1238422025 is an equidigital number, since it uses as much as digits as its factorization.

1238422025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49536891 (or 49536886 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 1238422025 is about 35191.2208512294. The cubic root of 1238422025 is about 1073.8811579076.

The spelling of 1238422025 in words is "one billion, two hundred thirty-eight million, four hundred twenty-two thousand, twenty-five".