1055022155 has 16 divisors (see below), whose sum is σ = 1387680768. Its totient is φ = 763644000.

The previous prime is 1055022131. The next prime is 1055022197. The reversal of 1055022155 is 5512205501.

It is not a de Polignac number, because 1055022155 - 2¹⁶ = 1054956619 is a prime.

It is a super-2 number, since 2×1055022155² = 2226143495081688050, which contains 22 as substring.

It is a Duffinian number.

1055022155 is a modest number, since divided by 22155 gives 1055 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33851 + ... + 57060.

It is an arithmetic number, because the mean of its divisors is an integer number (86730048).

Almost surely, 2^1055022155 is an apocalyptic number.

1055022155 is a deficient number, since it is larger than the sum of its proper divisors (332658613).

1055022155 is a wasteful number, since it uses less digits than its factorization.

1055022155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91138.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 1055022155 is about 32481.1045840501. The cubic root of 1055022155 is about 1018.0142562813.

Adding to 1055022155 its reverse (5512205501), we get a palindrome (6567227656).

The spelling of 1055022155 in words is "one billion, fifty-five million, twenty-two thousand, one hundred fifty-five".