22774069 has 2 divisors, whose sum is σ = 22774070. Its totient is φ = 22774068.

The previous prime is 22774061. The next prime is 22774079. The reversal of 22774069 is 96047722.

22774069 = T₃₈₉₅ + T₃₈₉₆ + T₃₈₉₇.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12341169 + 10432900 = 3513^2 + 3230^2 .

It is a cyclic number.

It is not a de Polignac number, because 22774069 - 2³ = 22774061 is a prime.

It is a super-2 number, since 2×22774069² = 1037316437633522, which contains 22 as substring.

It is equal to p_1434889 and since 22774069 and 1434889 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22774061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11387034 + 11387035.

It is an arithmetic number, because the mean of its divisors is an integer number (11387035).

Almost surely, 2^22774069 is an apocalyptic number.

22774069 is the 3897-th centered triangular number.

It is an amenable number.

22774069 is a deficient number, since it is larger than the sum of its proper divisors (1).

22774069 is an equidigital number, since it uses as much as digits as its factorization.

22774069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 22774069 is about 4772.2184568605. The cubic root of 22774069 is about 283.4524471108.

The spelling of 22774069 in words is "twenty-two million, seven hundred seventy-four thousand, sixty-nine".