155254022 has 32 divisors (see below), whose sum is σ = 290926080. Its totient is φ = 60367680.

The previous prime is 155254009. The next prime is 155254027. The reversal of 155254022 is 220452551.

It is a super-2 number, since 2×155254022² = 48207622694352968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155253982 and 155254000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155254027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140978 + ... + 142074.

It is an arithmetic number, because the mean of its divisors is an integer number (9091440).

Almost surely, 2^155254022 is an apocalyptic number.

155254022 is a deficient number, since it is larger than the sum of its proper divisors (135672058).

155254022 is a wasteful number, since it uses less digits than its factorization.

155254022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 155254022 is about 12460.0971906322. The cubic root of 155254022 is about 537.4618218421.

The spelling of 155254022 in words is "one hundred fifty-five million, two hundred fifty-four thousand, twenty-two".