1022625155 has 16 divisors (see below), whose sum is σ = 1243789344. Its totient is φ = 807037440.

The previous prime is 1022625143. The next prime is 1022625211. The reversal of 1022625155 is 5515262201.

It is not a de Polignac number, because 1022625155 - 2¹⁴ = 1022608771 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364217 + ... + 367013.

It is an arithmetic number, because the mean of its divisors is an integer number (77736834).

Almost surely, 2^1022625155 is an apocalyptic number.

1022625155 is a deficient number, since it is larger than the sum of its proper divisors (221164189).

1022625155 is an equidigital number, since it uses as much as digits as its factorization.

1022625155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1022625155 is about 31978.5108314943. The cubic root of 1022625155 is about 1007.4855451339.

Adding to 1022625155 its reverse (5515262201), we get a palindrome (6537887356).

The spelling of 1022625155 in words is "one billion, twenty-two million, six hundred twenty-five thousand, one hundred fifty-five".