1022525545 has 16 divisors (see below), whose sum is σ = 1273079808. Its totient is φ = 787590720.

The previous prime is 1022525521. The next prime is 1022525549. The reversal of 1022525545 is 5455252201.

It is a happy number.

It is not a de Polignac number, because 1022525545 - 2¹⁵ = 1022492777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022525549) 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, 13792 + ... + 47278.

It is an arithmetic number, because the mean of its divisors is an integer number (79567488).

Almost surely, 2^1022525545 is an apocalyptic number.

It is an amenable number.

1022525545 is a deficient number, since it is larger than the sum of its proper divisors (250554263).

1022525545 is a wasteful number, since it uses less digits than its factorization.

1022525545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33720.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 1022525545 is about 31976.9533414301. The cubic root of 1022525545 is about 1007.4528323022.

Adding to 1022525545 its reverse (5455252201), we get a palindrome (6477777746).

The spelling of 1022525545 in words is "one billion, twenty-two million, five hundred twenty-five thousand, five hundred forty-five".