612221496 has 32 divisors (see below), whose sum is σ = 1611110400. Its totient is φ = 193332960.

The previous prime is 612221473. The next prime is 612221501. The reversal of 612221496 is 694122216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670840 + ... + 671751.

It is an arithmetic number, because the mean of its divisors is an integer number (50347200).

Almost surely, 2^612221496 is an apocalyptic number.

It is an amenable number.

612221496 is an abundant number, since it is smaller than the sum of its proper divisors (998888904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612221496 is a wasteful number, since it uses less digits than its factorization.

612221496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342619 (or 1342615 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 612221496 is about 24743.1100712906. The cubic root of 612221496 is about 849.1208885560.

The spelling of 612221496 in words is "six hundred twelve million, two hundred twenty-one thousand, four hundred ninety-six".