22951801 has 2 divisors, whose sum is σ = 22951802. Its totient is φ = 22951800.

The previous prime is 22951793. The next prime is 22951891. The reversal of 22951801 is 10815922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14402025 + 8549776 = 3795^2 + 2924^2 .

It is a cyclic number.

It is not a de Polignac number, because 22951801 - 2³ = 22951793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22951801.

It is not a weakly prime, because it can be changed into another prime (22951891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11475900 + 11475901.

It is an arithmetic number, because the mean of its divisors is an integer number (11475901).

Almost surely, 2^22951801 is an apocalyptic number.

It is an amenable number.

22951801 is a deficient number, since it is larger than the sum of its proper divisors (1).

22951801 is an equidigital number, since it uses as much as digits as its factorization.

22951801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 22951801 is about 4790.8037947718. The cubic root of 22951801 is about 284.1879046437.

It can be divided in two parts, 2295 and 1801, that added together give a 12-th power (4096 = 2¹²).

The spelling of 22951801 in words is "twenty-two million, nine hundred fifty-one thousand, eight hundred one".