5551222037 has 2 divisors, whose sum is σ = 5551222038. Its totient is φ = 5551222036.

The previous prime is 5551222013. The next prime is 5551222043. The reversal of 5551222037 is 7302221555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3994998436 + 1556223601 = 63206^2 + 39449^2 .

It is a cyclic number.

It is not a de Polignac number, because 5551222037 - 2²⁴ = 5534444821 is a prime.

It is a super-2 number, since 2×5551222037² = 61632132208148858738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5551221994 and 5551222012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5551222057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775611018 + 2775611019.

It is an arithmetic number, because the mean of its divisors is an integer number (2775611019).

Almost surely, 2^5551222037 is an apocalyptic number.

It is an amenable number.

5551222037 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551222037 is an equidigital number, since it uses as much as digits as its factorization.

5551222037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 5551222037 is about 74506.5234526481. The cubic root of 5551222037 is about 1770.6369904532.

The spelling of 5551222037 in words is "five billion, five hundred fifty-one million, two hundred twenty-two thousand, thirty-seven".