611422138 has 24 divisors (see below), whose sum is σ = 953002908. Its totient is φ = 294190848.

The previous prime is 611422099. The next prime is 611422139. The reversal of 611422138 is 831224116.

It can be written as a sum of positive squares in 6 ways, for example, as 142396489 + 469025649 = 11933^2 + 21657^2 .

It is not an unprimeable number, because it can be changed into a prime (611422139) 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, 997120 + ... + 997732.

Almost surely, 2^611422138 is an apocalyptic number.

611422138 is a deficient number, since it is larger than the sum of its proper divisors (341580770).

611422138 is a wasteful number, since it uses less digits than its factorization.

611422138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266 (or 1237 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 611422138 is about 24726.9516519930. The cubic root of 611422138 is about 848.7511709499.

The spelling of 611422138 in words is "six hundred eleven million, four hundred twenty-two thousand, one hundred thirty-eight".