Search a number
-
+
22870451 is a prime number
BaseRepresentation
bin101011100111…
…1100110110011
31121000221100202
41113033212303
521323323301
62134105415
7365252462
oct127174663
947027322
1022870451
1111a009aa
1277ab26b
134979b16
1430749d9
15201b66b
hex15cf9b3

22870451 has 2 divisors, whose sum is σ = 22870452. Its totient is φ = 22870450.

The previous prime is 22870447. The next prime is 22870481. The reversal of 22870451 is 15407822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22870451 - 22 = 22870447 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22870411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11435225 + 11435226.

It is an arithmetic number, because the mean of its divisors is an integer number (11435226).

Almost surely, 222870451 is an apocalyptic number.

22870451 is a deficient number, since it is larger than the sum of its proper divisors (1).

22870451 is an equidigital number, since it uses as much as digits as its factorization.

22870451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 22870451 is about 4782.3060337038. The cubic root of 22870451 is about 283.8517501405.

The spelling of 22870451 in words is "twenty-two million, eight hundred seventy thousand, four hundred fifty-one".