155496299222 has 24 divisors (see below), whose sum is σ = 257322275616. Its totient is φ = 70419294000.

The previous prime is 155496299221. The next prime is 155496299279. The reversal of 155496299222 is 222992694551.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155496299221) 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, 1119929 + ... + 1251092.

It is an arithmetic number, because the mean of its divisors is an integer number (10721761484).

Almost surely, 2^155496299222 is an apocalyptic number.

155496299222 is a deficient number, since it is larger than the sum of its proper divisors (101825976394).

155496299222 is a wasteful number, since it uses less digits than its factorization.

155496299222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371316 (or 2371305 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 56.

The spelling of 155496299222 in words is "one hundred fifty-five billion, four hundred ninety-six million, two hundred ninety-nine thousand, two hundred twenty-two".